condition mean min max ZT0-3 135.3115 135.3115 135.3115 ZT4-7 98.66345000000001 98.66345000000001 98.66345000000001 ZT8-11 69.7827 69.7827 69.7827 ZT12-15 101.12535 101.12535 101.12535 ZT16-19 165.0455 165.0455 165.0455 ZT20-23 153.39999999999998 153.39999999999998 153.39999999999998